The Pieps iProbe BT is the electronic probe with an acoustic and visual hit indicator for a faster companion rescue and enables a wireless device management via Bluetooth and PIEPS-APP. Product specs Specs:* Number of tubes: 7* Tube-diameter: 13,5 mm* Length: 300 cm* Weight: 315 gFeatures:* Bluetooth* Auto-Switch ON/OFF* Multiple burials support through automatic sleep-mode of PIEPS beacons with iPROBE support (configurable via PIEPS-APP)* Centimeter scale* Easy and fast assembly of the probe* Speed-Cone-System for quick extension* Quick-closing latch for reliable locking of the probe* Elastic closure buckle* Probe length identifier for POS (different colors of handles)* Software Updates